CVE-2022-34325
High
Description
DMA transactions which are targeted at input buffers used for the StorageSecurityCommandDxe software SMI handler could cause SMRAM corruption through a TOCTOU attack. DMA transactions which are targeted at input buffers used for the software SMI handler used by the StorageSecurityCommandDxe driver could cause SMRAM corruption. This issue was discovered by Insyde engineering based on the general description provided by
SeverityHigh
CVSS7.8
Exploit probability—
ProductInsydeh2o
PublishedNov 14, 2022
First seenNov 14, 2022
Weakness typeCWE-367CWE-367
How to fix
Update
- insyde insydeh2o05.36.23, 05.27.23, 05.44.23, 05.52.23 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| insyde insydeh2o | 5.3 ≤ v < 05.36.23, 5.2 ≤ v < 05.27.23, 5.4 ≤ v < 05.44.23, 5.5 ≤ v < 05.52.23 | 05.36.23, 05.27.23, 05.44.23, 05.52.23 |
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